.ufb-detail {
  --ufb-dark: #111c22;
  --ufb-ink: #263238;
  --ufb-muted: #747679;
  --ufb-mint: #cab385;
  color: var(--ufb-ink);
  background: #f6f4ef;
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.ufb-detail *,
.ufb-detail *::before,
.ufb-detail *::after {
  box-sizing: border-box;
}

.ufb-detail__hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 760px;
}

.ufb-detail__hero-copy {
  display: flex;
  padding: clamp(54px, 8vw, 118px);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  color: #fff;
  background: var(--ufb-dark);
}

.ufb-detail__label {
  margin: 0 0 32px;
  color: #cab385;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ufb-detail__hero h1 {
  margin: 0;
  color: #fff;
  font: italic 400 clamp(58px, 7vw, 104px)/0.98 Didot, "Bodoni 72", "Times New Roman", serif;
  letter-spacing: -0.035em;
}

.ufb-detail__lead {
  max-width: 510px;
  margin: 34px 0 0;
  color: #d0cec8;
  font-size: 15px;
  line-height: 2;
}

.ufb-detail__hero-price {
  display: flex;
  margin-top: 30px;
  flex-direction: column;
}

.ufb-detail__hero-price > span {
  color: var(--ufb-mint);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
}

.ufb-detail__hero-price .ufb-detail__reference {
  margin-bottom: 13px;
  color: #aaa9a5;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
}

.ufb-detail__hero-price strong {
  margin-top: 8px;
  color: #fff;
  font: 400 clamp(36px, 4vw, 54px)/1 Didot, "Bodoni 72", "Times New Roman", serif;
}

.ufb-detail__hero-price strong small {
  margin-left: 6px;
  font: 600 14px/1 "Helvetica Neue", sans-serif;
}

.ufb-detail__hero-price b {
  width: fit-content;
  margin-top: 11px;
  padding: 6px 11px;
  color: #fff;
  background: #9a7040;
  font-size: 11px;
  letter-spacing: .08em;
}

.ufb-detail__hero-price em {
  margin-top: 10px;
  color: #b9b7b2;
  font-size: 11px;
  font-style: normal;
}

.ufb-detail__hero-price .ufb-detail__price-basis {
  max-width: 520px;
  margin-top: 7px;
  color: #a4a39f;
  font-size: 11px;
  line-height: 1.7;
}

.ufb-detail__primary {
  display: flex;
  width: min(100%, 330px);
  margin-top: 44px;
  padding: 17px 20px;
  align-items: center;
  justify-content: space-between;
  color: var(--ufb-ink);
  background: #fff;
  font-size: 12px;
  text-decoration: none;
}

.ufb-detail__hero-visual {
  position: relative;
  display: flex;
  min-height: 620px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(145deg, #fbfaf7, #e7e3da);
}

.ufb-detail__hero-visual img {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: 48%;
  height: 52%;
  object-fit: contain;
  filter: drop-shadow(0 10px 12px rgba(7, 29, 41, 0.12));
}

.ufb-detail__hero-visual.is-pair {
  gap: 16px;
}

.ufb-detail__hero-visual.is-pair img {
  max-width: 32%;
  height: 46%;
}

.ufb-detail__hero-visual > p {
  position: absolute;
  right: -0.03em;
  bottom: -0.2em;
  margin: 0;
  color: rgba(7, 29, 41, 0.055);
  font: italic 400 clamp(160px, 22vw, 330px)/1 Georgia, serif;
}

.ufb-detail__size-guide,
.ufb-detail__spec,
.ufb-detail__flow,
.ufb-detail__purchase {
  padding: 110px max(40px, calc((100vw - 1320px) / 2));
}

.ufb-detail__size-guide header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 60px;
  align-items: end;
}

.ufb-detail__size-guide header > p,
.ufb-detail__flow header > p,
.ufb-detail__spec > div > p {
  margin: 0;
  color: #8b744f;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ufb-detail__size-guide h2,
.ufb-detail__flow h2,
.ufb-detail__spec h2 {
  margin: 0;
  font: 400 clamp(34px, 4vw, 56px)/1.3 "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.ufb-detail__size-guide header h2 {
  grid-column: 1;
}

.ufb-detail__size-guide header > span {
  grid-column: 2;
  grid-row: 1 / 3;
  max-width: 500px;
  color: var(--ufb-muted);
  font-size: 14px;
  line-height: 1.9;
}

.ufb-detail__size-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 58px;
  border-top: 1px solid rgba(7, 29, 41, 0.18);
  border-left: 1px solid rgba(7, 29, 41, 0.18);
}

.ufb-detail__size-grid article {
  display: flex;
  min-height: 330px;
  padding: 30px;
  flex-direction: column;
  border-right: 1px solid rgba(7, 29, 41, 0.18);
  border-bottom: 1px solid rgba(7, 29, 41, 0.18);
  background: rgba(255, 255, 255, 0.4);
}

.ufb-detail__size-grid article.is-current {
  color: #fff;
  background: var(--ufb-ink);
}

.ufb-detail__size-grid article > p {
  margin: 0 0 34px;
  color: #849097;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ufb-detail__size-grid article.is-current > p {
  color: var(--ufb-mint);
}

.ufb-detail__size-grid h3 {
  margin: 0;
  font: italic 400 clamp(44px, 5vw, 72px)/1 Didot, "Bodoni 72", serif;
}

.ufb-detail__size-grid strong {
  margin-top: 14px;
  font-size: 15px;
}

.ufb-detail__size-grid article > span {
  margin-top: 32px;
  font-size: 18px;
  font-weight: 600;
}

.ufb-detail__size-grid small {
  margin-top: 8px;
  color: #738087;
  font-size: 13px;
}

.ufb-detail__size-grid article.is-current small {
  color: #b7c2c5;
}

.ufb-detail__size-note {
  margin: 20px 0 0;
  color: var(--ufb-muted);
  font-size: 12px;
  line-height: 1.8;
}

.ufb-detail__spec {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  color: #fff;
  background: var(--ufb-dark);
}

.ufb-detail__spec dl {
  margin: 0;
}

.ufb-detail__spec dl > div {
  display: flex;
  padding: 22px 8px;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.ufb-detail__spec dt {
  color: #9ca5a8;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.ufb-detail__spec dd {
  margin: 0;
  font-size: 17px;
}

.ufb-detail__flow {
  background: #fff;
}

.ufb-detail__flow ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 58px 0 0;
  padding: 0;
  list-style: none;
}

.ufb-detail__flow li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 26px 22px;
  border-top: 1px solid rgba(7, 29, 41, 0.18);
  border-right: 1px solid rgba(7, 29, 41, 0.18);
  border-bottom: 1px solid rgba(7, 29, 41, 0.18);
}

.ufb-detail__flow li:first-child {
  border-left: 1px solid rgba(7, 29, 41, 0.18);
}

.ufb-detail__flow li > span {
  font: italic 400 26px/1 Georgia, serif;
}

.ufb-detail__flow h3 {
  margin: 2px 0 14px;
  font-size: 17px;
}

.ufb-detail__flow li p {
  margin: 0;
  color: var(--ufb-muted);
  font-size: 13px;
  line-height: 1.8;
}

.ufb-detail__purchase {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: center;
  color: #fff;
  background: var(--ufb-ink);
}

.ufb-detail__purchase h2 {
  margin: 0;
  font: 400 clamp(36px, 4.6vw, 66px)/1.3 "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.ufb-detail__purchase > div > p:not(.ufb-detail__label) {
  max-width: 620px;
  color: #bdc6c9;
  font-size: 13px;
  line-height: 2;
}

.ufb-detail__purchase ul {
  display: flex;
  gap: 24px;
  margin: 34px 0 0;
  padding: 0;
  flex-wrap: wrap;
  list-style: none;
}

.ufb-detail__purchase li {
  font-size: 10px;
}

.ufb-detail__purchase li::before {
  content: "✓";
  margin-right: 7px;
  color: var(--ufb-mint);
}

.ufb-detail__checkout {
  padding: 42px;
  color: var(--ufb-ink);
  background: #fff;
}

.ufb-detail__checkout > p {
  margin: 0;
  color: #7d898d;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ufb-detail__checkout h3 {
  margin: 18px 0 7px;
  font: italic 400 60px/1 Didot, "Bodoni 72", serif;
}

.ufb-detail__checkout .ufb-detail__checkout-price {
  display: flex;
  margin: 16px 0 10px;
  gap: 7px;
  align-items: baseline;
  flex-wrap: nowrap;
  white-space: nowrap;
  font: 400 clamp(32px, 3.4vw, 48px)/1 Didot, "Bodoni 72", serif;
}

.ufb-detail__checkout .ufb-detail__checkout-price > small {
  display: inline;
  margin: 0;
  padding: 0;
  font: 600 11px/1 "Helvetica Neue", sans-serif;
  white-space: nowrap;
}

.ufb-detail__checkout > span {
  display: block;
  color: var(--ufb-muted);
  font-size: 11px;
}

.ufb-detail__checkout a {
  display: flex;
  margin-top: 30px;
  padding: 18px 20px;
  justify-content: space-between;
  color: #fff;
  background: #111c22;
  font-size: 13px;
  text-decoration: none;
}

.ufb-detail__checkout small {
  display: block;
  margin-top: 16px;
  color: #7d898d;
  font-size: 9px;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .ufb-detail__hero,
  .ufb-detail__spec,
  .ufb-detail__purchase {
    grid-template-columns: 1fr;
  }

  .ufb-detail__hero-copy {
    padding: 70px 28px;
  }

  .ufb-detail__hero-visual {
    min-height: 480px;
  }

  .ufb-detail__size-guide,
  .ufb-detail__spec,
  .ufb-detail__flow,
  .ufb-detail__purchase {
    padding: 72px 24px;
  }

  .ufb-detail__size-guide header {
    display: block;
  }

  .ufb-detail__size-guide header > span {
    display: block;
    margin-top: 20px;
  }

  .ufb-detail__size-grid,
  .ufb-detail__flow ol {
    grid-template-columns: 1fr;
  }

  .ufb-detail__size-grid article {
    min-height: 290px;
  }

  .ufb-detail__purchase {
    gap: 42px;
  }
}